diff --git a/CMakeLists.txt b/CMakeLists.txt
index be05445..869a931 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@ qt_add_executable(${AppExec}
     src/gui/network/NodeIconGraphic.cpp
 )
 
-target_link_libraries(${AppExec} PRIVATE Qt6::Core Qt6::Widgets Qt6::SvgWidgets Qt6::OpenGLWidgets)
+target_link_libraries(${AppExec} PRIVATE Qt6::Core Qt6::Widgets Qt6::SvgWidgets Qt6::OpenGLWidgets GLU)
 target_include_directories(${AppExec} PUBLIC src)
 
 # tests
diff --git a/src/gui/main.cpp b/src/gui/main.cpp
index 738ccc6..baf48d7 100644
--- a/src/gui/main.cpp
+++ b/src/gui/main.cpp
@@ -1,10 +1,17 @@
 #include <QApplication>
 #include <QPushButton>
+#include <QSurfaceFormat>
 
 #include "Interface.h"
 
 int main(int argc, char **argv)
 {
+    QSurfaceFormat format;
+    format.setRenderableType(QSurfaceFormat::OpenGL);
+    format.setVersion(3, 2);
+    format.setProfile(QSurfaceFormat::CoreProfile);
+    QSurfaceFormat::setDefaultFormat(format);
+
     QApplication app (argc, argv);
 
     EnzoUI interface;
diff --git a/src/gui/viewport/OpenGLWidget.h b/src/gui/viewport/OpenGLWidget.h
index 71b3e2a..b224605 100644
--- a/src/gui/viewport/OpenGLWidget.h
+++ b/src/gui/viewport/OpenGLWidget.h
@@ -1,7 +1,8 @@
 #include <QOpenGLWidget>
-#include <QOpenGLFunctions>
+#include <iostream>
+#include <QOpenGLFunctions_3_2_Core>
 
-class MyGLWidget : public QOpenGLWidget
+class MyGLWidget : public QOpenGLWidget, protected QOpenGLFunctions_3_2_Core
 {
 public:
     MyGLWidget(QWidget *parent) : QOpenGLWidget(parent) { }
@@ -11,24 +12,28 @@ protected:
     void initializeGL() override
     {
         // Set up the rendering context, load shaders and other resources, etc.:
-        QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
-        f->glClearColor(0.16f, 0.16f, 0.16f, 1.0f);
+        initializeOpenGLFunctions();
+        GLuint vao;
+        glGenVertexArrays(1,&vao);
+        glBindVertexArray(vao);
+
+        QSurfaceFormat fmt = context()->format();
+        std::cout << "format: " << (fmt.renderableType() == QSurfaceFormat::OpenGLES ? "GLES" : "Desktop") << "\n";
+        std::cout << "format: " << (fmt.renderableType() == QSurfaceFormat::OpenGL ? "true" : "false") << "\n";
+
+        glClearColor(0.16f, 0.16f, 0.16f, 1.0f);
     }
 
 
 
     void resizeGL(int w, int h) override
     {
-        // // Update projection matrix and other size related settings:
-        // m_projection.setToIdentity();
-        // m_projection.perspective(45.0f, w / float(h), 0.01f, 100.0f);
     }
 
     void paintGL() override
     {
-        // Draw the scene:
-        QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
-        f->glClear(GL_COLOR_BUFFER_BIT);
+        initializeOpenGLFunctions();
+        glClear(GL_COLOR_BUFFER_BIT);
     }
 
 };